Finding the Fourth Proportional to 146,366.68, 201,985.86 and 79,298.68
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Solution
The fourth proportional to 146,366.68, 201,985.86 and 79,298.68 is: 109,432.09
Step by Step Solution
- Step 1: Write the proportion equation
146,366.68 : 201,985.86 = 79,298.68 : x - Step 2: Convert to fraction form
146,366.68/201,985.86 = 79,298.68/x - Step 3: Cross multiply
146,366.68x = 201,985.86 × 79,298.68 - Step 4: Simplify right side
146,366.68x = 16,017,212,076.66 - Step 5: Solve for x
x = 16,017,212,076.66/146,366.68 - Step 6: Final answer
x = 109,432.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.